Enables L-amino acid transmembrane transporter activity. Acts upstream of or within L-amino acid transport. Located in plasma membrane. Is expressed in several structures, including adrenal medulla; metanephros; nephric duct of male; nervous system; and sensory organ. Orthologous to human SLC43A2 (solute carrier family 43 member 2). [provided by Alliance of Genome Resources, Apr 2022]